<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="format-detection" content="telephone=no">
    <meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>

</head>
<body>
<br>
<br>
<br>
<!-- <input
    className="form-control"
    type="file"
    accept="*/*"
    defaultValue=""
/> -->


<form enctype="multipart/form-data" method="post">
    <input name="file" className="form-control"
            type="file"
            />
    <input type="submit" value="提交"/>
</form>

</body>
</html>